Official Organizations:

Tournament of Champions (TOC)
National Forensic League (NFL)
Texas Forensic Association (TFA)
University Interscholastic League (UIL)
National Debate Coaches Association (NDCA)

Tournaments:

Joy of Tournaments
Texas Forensic Association (TFA)

Online Resources:

NSDUpdate
Debate Central
NDCA OPEN EVIDENCE PROJECT
Cross-X: Debate on the web
Case Lists wiki

Summer Camps:

Texas Debate Collective (TDC)

UNT Mean Green Debate Workshops

University of Texas National Institute of Forensics